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["Laurent Rineau (GeometryFactory)" <>]

Le mardi 21 décembre 2010 04:51:49, cmodel a écrit :
> Here is the issue,
> 
> I tried adding one pointer member, like std::vector *m_point2;
> inside Point_set_scene_item class,
> 
> typedef CGAL::Triangulation_2 Triangulation2;
> 
> typedef Triangulation2::Face_handle Face_handle;
> typedef Triangulation2::Finite_faces_iterator Finite_faces_iterator;
> typedef Triangulation2::Point  Point2;
> 
> 
> then in destructor, add the following:
> 
>   Q_ASSERT(m_point2 != NULL);
>   delete m_point2; m_point2 = NULL;

Replace by:

  if(m_point_2) {
    delete m_point2;
  };

And add:

  m_point2=NULL;

in the constructor.

> in bool Point_set_scene_item::read_xyz_point_set(std::istream& stream)
> code section, add the following:
> 
>   m_point2 = new std::vector;

Change that to:

  if(m_point2==NULL)
    m_point2 = new std::vector;
  else
    m_point2->clear();

> Then build the project, run, got " heap corruption debug error ", did I use
> wrong memory?

Did you clean the whole project before rebuilding it?

-- 
Laurent Rineau, PhD
Release Manager of the CGAL Project       http://www.cgal.org/
R&D Engineer at GeometryFactory           http://www.geometryfactory.com/